101002011221010 has 64 divisors (see below), whose sum is σ = 242517415312512. Its totient is φ = 26921361424896.

The previous prime is 101002011221009. The next prime is 101002011221039. The reversal of 101002011221010 is 10122110200101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260075094 + ... + 1260155246.

It is an arithmetic number, because the mean of its divisors is an integer number (3789334614258).

Almost surely, 2^{101002011221010} is an apocalyptic number.

101002011221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101002011221010 is an abundant number, since it is smaller than the sum of its proper divisors (141515404091502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101002011221010 is a wasteful number, since it uses less digits than its factorization.

101002011221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99147.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101002011221010 its reverse (10122110200101), we get a palindrome (111124121421111).

The spelling of 101002011221010 in words is "one hundred one trillion, two billion, eleven million, two hundred twenty-one thousand, ten".