1121021121010 has 32 divisors (see below), whose sum is σ = 2306150300160. Its totient is φ = 384341813952.

The previous prime is 1121021120927. The next prime is 1121021121127. The reversal of 1121021121010 is 101211201211.

It is a happy number.

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, 3721047 + ... + 4011013.

It is an arithmetic number, because the mean of its divisors is an integer number (72067196880).

Almost surely, 2^{1121021121010} is an apocalyptic number.

1121021121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121021121010 is an abundant number, since it is smaller than the sum of its proper divisors (1185129179150).

1121021121010 is a wasteful number, since it uses less digits than its factorization.

1121021121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345210.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121021121010 its reverse (101211201211), we get a palindrome (1222232322221).

The spelling of 1121021121010 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty-one thousand, ten".