121010110202010 has 64 divisors (see below), whose sum is σ = 291570122016000. Its totient is φ = 32142058831872.

The previous prime is 121010110201987. The next prime is 121010110202029. The reversal of 121010110202010 is 10202011010121.

It is a super-2 number, since 2×121010110202010² (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 31 ways as a sum of consecutive naturals, for example, 145064091 + ... + 145895889.

It is an arithmetic number, because the mean of its divisors is an integer number (4555783156500).

Almost surely, 2^{121010110202010} is an apocalyptic number.

121010110202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010110202010 is an abundant number, since it is smaller than the sum of its proper divisors (170560011813990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121010110202010 is a wasteful number, since it uses less digits than its factorization.

121010110202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850935.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010110202010 its reverse (10202011010121), we get a palindrome (131212121212131).

The spelling of 121010110202010 in words is "one hundred twenty-one trillion, ten billion, one hundred ten million, two hundred two thousand, ten".