121010220002000 has 320 divisors, whose sum is σ = 340130463828480. Its totient is φ = 40778873856000.

The previous prime is 121010220001969. The next prime is 121010220002033. The reversal of 121010220002000 is 200022010121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7101113480 + ... + 7101130520.

It is an arithmetic number, because the mean of its divisors is an integer number (1062907699464).

Almost surely, 2^{121010220002000} is an apocalyptic number.

121010220002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010220002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170065231914240).

121010220002000 is an abundant number, since it is smaller than the sum of its proper divisors (219120243826480).

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

121010220002000 is a wasteful number, since it uses less digits than its factorization.

121010220002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25727 (or 25711 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121010220002000 its reverse (200022010121), we get a palindrome (121210242012121).

The spelling of 121010220002000 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty million, two thousand".