121012021202210 has 16 divisors (see below), whose sum is σ = 217889985142656. Its totient is φ = 48389620263408.

The previous prime is 121012021202183. The next prime is 121012021202213. The reversal of 121012021202210 is 12202120210121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121012021202213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898493722 + ... + 1898557461.

It is an arithmetic number, because the mean of its divisors is an integer number (13618124071416).

Almost surely, 2^{121012021202210} is an apocalyptic number.

121012021202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012021202210 is a deficient number, since it is larger than the sum of its proper divisors (96877963940446).

121012021202210 is a wasteful number, since it uses less digits than its factorization.

121012021202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797054377.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121012021202210 its reverse (12202120210121), we get a palindrome (133214141412331).

The spelling of 121012021202210 in words is "one hundred twenty-one trillion, twelve billion, twenty-one million, two hundred two thousand, two hundred ten".