121122111021010 has 32 divisors (see below), whose sum is σ = 239214578104512. Its totient is φ = 43789812070080.

The previous prime is 121122111021007. The next prime is 121122111021029. The reversal of 121122111021010 is 10120111221121.

It is a super-2 number, since 2×121122111021010² (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 15 ways as a sum of consecutive naturals, for example, 3182380104 + ... + 3182418163.

It is an arithmetic number, because the mean of its divisors is an integer number (7475455565766).

Almost surely, 2^{121122111021010} is an apocalyptic number.

121122111021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122111021010 is a deficient number, since it is larger than the sum of its proper divisors (118092467083502).

121122111021010 is a wasteful number, since it uses less digits than its factorization.

121122111021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364798458.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121122111021010 its reverse (10120111221121), we get a palindrome (131242222242131).

The spelling of 121122111021010 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred eleven million, twenty-one thousand, ten".