1011202001010 has 48 divisors (see below), whose sum is σ = 2643813095040. Its totient is φ = 268147416480.

The previous prime is 1011202001003. The next prime is 1011202001063. The reversal of 1011202001010 is 101002021101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011202000983 and 1011202001001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31368186 + ... + 31400405.

It is an arithmetic number, because the mean of its divisors is an integer number (55079439480).

Almost surely, 2^{1011202001010} is an apocalyptic number.

1011202001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011202001010 is an abundant number, since it is smaller than the sum of its proper divisors (1632611094030).

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

1011202001010 is a wasteful number, since it uses less digits than its factorization.

1011202001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62768783 (or 62768780 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011202001010 its reverse (101002021101), we get a palindrome (1112204022111).

The spelling of 1011202001010 in words is "one trillion, eleven billion, two hundred two million, one thousand, ten".