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1020102201011 = 28321311691507
BaseRepresentation
bin11101101100000101101…
…01000100111010110011
310121112001200021001011102
432312002311010322303
5113203132130413021
62100343430235015
7133462040433035
oct16660265047263
93545050231142
101020102201011
1136369410a063
121458521b5a6b
137526cba7a3a
1437532133c55
151b80646e00b
hexed82d44eb3

1020102201011 has 8 divisors (see below), whose sum is σ = 1024187795904. Its totient is φ = 1016019993960.

The previous prime is 1020102200981. The next prime is 1020102201023. The reversal of 1020102201011 is 1101022010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020102201011 - 26 = 1020102200947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020102200983 and 1020102201001.

It is not an unprimeable number, because it can be changed into a prime (1020102201061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242681 + ... + 1448826.

It is an arithmetic number, because the mean of its divisors is an integer number (128023474488).

Almost surely, 21020102201011 is an apocalyptic number.

1020102201011 is a deficient number, since it is larger than the sum of its proper divisors (4085594893).

1020102201011 is a wasteful number, since it uses less digits than its factorization.

1020102201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693921.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020102201011 its reverse (1101022010201), we get a palindrome (2121124211212).

The spelling of 1020102201011 in words is "one trillion, twenty billion, one hundred two million, two hundred one thousand, eleven".

Divisors: 1 283 2131 603073 1691507 478696481 3604601417 1020102201011