102110021011 has 8 divisors (see below), whose sum is σ = 103388935104. Its totient is φ = 100832265960.

The previous prime is 102110020973. The next prime is 102110021021. The reversal of 102110021011 is 110120011201.

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 102110021011 - 2¹¹ = 102110018963 is a prime.

It is a super-2 number, since 2×102110021011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102110021021) 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, 111781 + ... + 465526.

It is an arithmetic number, because the mean of its divisors is an integer number (12923616888).

Almost surely, 2^102110021011 is an apocalyptic number.

102110021011 is a deficient number, since it is larger than the sum of its proper divisors (1278914093).

102110021011 is an equidigital number, since it uses as much as digits as its factorization.

102110021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579521.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102110021011 its reverse (110120011201), we get a palindrome (212230032212).

The spelling of 102110021011 in words is "one hundred two billion, one hundred ten million, twenty-one thousand, eleven".