2120011001002 has 4 divisors (see below), whose sum is σ = 3180016501506. Its totient is φ = 1060005500500.

The previous prime is 2120011000993. The next prime is 2120011001029. The reversal of 2120011001002 is 2001001100212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2018499306121 + 101511694881 = 1420739^2 + 318609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2120011001002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530002750249 + ... + 530002750252.

Almost surely, 2^{2120011001002} is an apocalyptic number.

2120011001002 is a deficient number, since it is larger than the sum of its proper divisors (1060005500504).

2120011001002 is a wasteful number, since it uses less digits than its factorization.

2120011001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060005500503.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2120011001002 its reverse (2001001100212), we get a palindrome (4121012101214).

The spelling of 2120011001002 in words is "two trillion, one hundred twenty billion, eleven million, one thousand, two".