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1120012020221 = 172232411225891
BaseRepresentation
bin10000010011000101111…
…010110010100111111101
310222001221120012201121212
4100103011322302213331
5121322241034121341
62214305412334205
7143626641043553
oct20230572624775
93861846181555
101120012020221
113a1aa364aa86
12161095914365
1381802b01163
143c2cd1dbbd3
151e2027e35eb
hex104c5eb29fd

1120012020221 has 16 divisors (see below), whose sum is σ = 1196156763648. Its totient is φ = 1045046707200.

The previous prime is 1120012020209. The next prime is 1120012020241. The reversal of 1120012020221 is 1220202100211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120012020221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120012020196 and 1120012020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120012020241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300686 + ... + 1526576.

It is an arithmetic number, because the mean of its divisors is an integer number (74759797728).

Almost surely, 21120012020221 is an apocalyptic number.

It is an amenable number.

1120012020221 is a deficient number, since it is larger than the sum of its proper divisors (76144743427).

1120012020221 is a wasteful number, since it uses less digits than its factorization.

1120012020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226372.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1120012020221 its reverse (1220202100211), we get a palindrome (2340214120432).

The spelling of 1120012020221 in words is "one trillion, one hundred twenty billion, twelve million, twenty thousand, two hundred twenty-one".

Divisors: 1 17 223 241 3791 4097 53743 913631 1225891 20840147 273373693 295439731 4647352781 5022475427 65883060013 1120012020221