2120021002010 has 16 divisors (see below), whose sum is σ = 3897230098176. Its totient is φ = 829965668688.

The previous prime is 2120021002009. The next prime is 2120021002019. The reversal of 2120021002010 is 102001200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120021001982 and 2120021002000.

It is not an unprimeable number, because it can be changed into a prime (2120021002019) 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, 2255341022 + ... + 2255341961.

It is an arithmetic number, because the mean of its divisors is an integer number (243576881136).

Almost surely, 2^{2120021002010} is an apocalyptic number.

2120021002010 is a deficient number, since it is larger than the sum of its proper divisors (1777209096166).

2120021002010 is a wasteful number, since it uses less digits than its factorization.

2120021002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510683037.

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

Adding to 2120021002010 its reverse (102001200212), we get a palindrome (2222022202222).

The spelling of 2120021002010 in words is "two trillion, one hundred twenty billion, twenty-one million, two thousand, ten".