121001131010 has 32 divisors (see below), whose sum is σ = 222026892480. Its totient is φ = 47467962432.

The previous prime is 121001130961. The next prime is 121001131033. The reversal of 121001131010 is 10131100121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121001130982 and 121001131000.

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, 245705 + ... + 549884.

It is an arithmetic number, because the mean of its divisors is an integer number (6938340390).

Almost surely, 2^121001131010 is an apocalyptic number.

121001131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001131010 is a deficient number, since it is larger than the sum of its proper divisors (101025761470).

121001131010 is a wasteful number, since it uses less digits than its factorization.

121001131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795890.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 121001131010 its reverse (10131100121), we get a palindrome (131132231131).

The spelling of 121001131010 in words is "one hundred twenty-one billion, one million, one hundred thirty-one thousand, ten".