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2212002002021 = 731101271337201
BaseRepresentation
bin100000001100000101100…
…101111111010001100101
321211110120020000102001212
4200030011211333101211
5242220140003031041
64412102451401205
7315545320534430
oct40140545772145
97743506012055
102212002002021
11783117510819
122b884abb3205
1313078b269396
14790c0950817
153c814e6a8eb
hex2030597f465

2212002002021 has 32 divisors (see below), whose sum is σ = 2636430145536. Its totient is φ = 1815955200000.

The previous prime is 2212002002003. The next prime is 2212002002027. The reversal of 2212002002021 is 1202002002122.

It is a de Polignac number, because none of the positive numbers 2k-2212002002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212002001987 and 2212002002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212002002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59442221 + ... + 59479421.

It is an arithmetic number, because the mean of its divisors is an integer number (82388442048).

Almost surely, 22212002002021 is an apocalyptic number.

It is an amenable number.

2212002002021 is a deficient number, since it is larger than the sum of its proper divisors (424428143515).

2212002002021 is a wasteful number, since it uses less digits than its factorization.

2212002002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40053.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2212002002021 its reverse (1202002002122), we get a palindrome (3414004004143).

The spelling of 2212002002021 in words is "two trillion, two hundred twelve billion, two million, two thousand, twenty-one".

Divisors: 1 7 31 101 217 707 2713 3131 18991 21917 37201 84103 260407 274013 588721 1153231 1918091 3757301 8072617 8494403 26301107 59460821 100926313 116476331 706484191 815334317 3128715703 10193557613 21901009921 71354903291 316000286003 2212002002021