102011120101010 has 8 divisors (see below), whose sum is σ = 183620016181836. Its totient is φ = 40804448040400.

The previous prime is 102011120100973. The next prime is 102011120101031. The reversal of 102011120101010 is 10101021110201.

It can be written as a sum of positive squares in 2 ways, for example, as 95958344163889 + 6052775937121 = 9795833^2 + 2460239^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102011120100982 and 102011120101000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100556005041 + ... + 5100556005060.

Almost surely, 2^{102011120101010} is an apocalyptic number.

102011120101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011120101010 is a deficient number, since it is larger than the sum of its proper divisors (81608896080826).

102011120101010 is a wasteful number, since it uses less digits than its factorization.

102011120101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201112010108.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102011120101010 its reverse (10101021110201), we get a palindrome (112112141211211).

The spelling of 102011120101010 in words is "one hundred two trillion, eleven billion, one hundred twenty million, one hundred one thousand, ten".