1021153352051 has 16 divisors (see below), whose sum is σ = 1169489739264. Its totient is φ = 873432802944.

The previous prime is 1021153351993. The next prime is 1021153352057. The reversal of 1021153352051 is 1502533511201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021153352051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021153352057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8251931 + ... + 8374763.

It is an arithmetic number, because the mean of its divisors is an integer number (73093108704).

Almost surely, 2^{1021153352051} is an apocalyptic number.

1021153352051 is a deficient number, since it is larger than the sum of its proper divisors (148336387213).

1021153352051 is a wasteful number, since it uses less digits than its factorization.

1021153352051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125330.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 1021153352051 its reverse (1502533511201), we get a palindrome (2523686863252).

The spelling of 1021153352051 in words is "one trillion, twenty-one billion, one hundred fifty-three million, three hundred fifty-two thousand, fifty-one".