10202111101010 has 32 divisors (see below), whose sum is σ = 19162473530112. Its totient is φ = 3903366012480.

The previous prime is 10202111101009. The next prime is 10202111101037. The reversal of 10202111101010 is 1010111120201.

It is a junction number, because it is equal to n+sod(n) for n = 10202111100982 and 10202111101000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20991272 + ... + 21471788.

It is an arithmetic number, because the mean of its divisors is an integer number (598827297816).

Almost surely, 2^{10202111101010} is an apocalyptic number.

10202111101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202111101010 is a deficient number, since it is larger than the sum of its proper divisors (8960362429102).

10202111101010 is a wasteful number, since it uses less digits than its factorization.

10202111101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572858.

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

Adding to 10202111101010 its reverse (1010111120201), we get a palindrome (11212222221211).

The spelling of 10202111101010 in words is "ten trillion, two hundred two billion, one hundred eleven million, one hundred one thousand, ten".