100001011021010 has 192 divisors, whose sum is σ = 201945249252864. Its totient is φ = 35355600000000.

The previous prime is 100001011020997. The next prime is 100001011021063. The reversal of 100001011021010 is 10120110100001.

It is a happy number.

It is a super-2 number, since 2×100001011021010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31046571200 + ... + 31046574420.

It is an arithmetic number, because the mean of its divisors is an integer number (1051798173192).

Almost surely, 2^{100001011021010} is an apocalyptic number.

100001011021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001011021010 is an abundant number, since it is smaller than the sum of its proper divisors (101944238231854).

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

100001011021010 is a wasteful number, since it uses less digits than its factorization.

100001011021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213 (or 4152 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100001011021010 its reverse (10120110100001), we get a palindrome (110121121121011).

The spelling of 100001011021010 in words is "one hundred trillion, one billion, eleven million, twenty-one thousand, ten".