10200121021002 has 64 divisors (see below), whose sum is σ = 22403244238848. Its totient is φ = 3070379592000.

The previous prime is 10200121020983. The next prime is 10200121021003. The reversal of 10200121021002 is 20012012100201.

It is not an unprimeable number, because it can be changed into a prime (10200121021003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7582627 + ... + 8825897.

It is an arithmetic number, because the mean of its divisors is an integer number (350050691232).

Almost surely, 2^{10200121021002} is an apocalyptic number.

10200121021002 is an abundant number, since it is smaller than the sum of its proper divisors (12203123217846).

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

10200121021002 is a wasteful number, since it uses less digits than its factorization.

10200121021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244115.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10200121021002 its reverse (20012012100201), we get a palindrome (30212133121203).

The spelling of 10200121021002 in words is "ten trillion, two hundred billion, one hundred twenty-one million, twenty-one thousand, two".