1011252201 has 16 divisors (see below), whose sum is σ = 1408029696. Its totient is φ = 644366096.

The previous prime is 1011252169. The next prime is 1011252233. The reversal of 1011252201 is 1022521101.

It is an interprime number because it is at equal distance from previous prime (1011252169) and next prime (1011252233).

It is a cyclic number.

It is not a de Polignac number, because 1011252201 - 2⁵ = 1011252169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011252401) 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, 100276 + ... + 109898.

It is an arithmetic number, because the mean of its divisors is an integer number (88001856).

Almost surely, 2^1011252201 is an apocalyptic number.

It is an amenable number.

1011252201 is a deficient number, since it is larger than the sum of its proper divisors (396777495).

1011252201 is a wasteful number, since it uses less digits than its factorization.

1011252201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1011252201 is about 31800.1918390440. The cubic root of 1011252201 is about 1003.7367529516.

Adding to 1011252201 its reverse (1022521101), we get a palindrome (2033773302).

The spelling of 1011252201 in words is "one billion, eleven million, two hundred fifty-two thousand, two hundred one".