1111020201010 has 32 divisors (see below), whose sum is σ = 2019766657392. Its totient is φ = 439979692800.

The previous prime is 1111020200971. The next prime is 1111020201023. The reversal of 1111020201010 is 101020201111.

It can be written as a sum of positive squares in 8 ways, for example, as 819747349201 + 291272851809 = 905399^2 + 539697^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23259672 + ... + 23307388.

Almost surely, 2^{1111020201010} is an apocalyptic number.

1111020201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111020201010 is a deficient number, since it is larger than the sum of its proper divisors (908746456382).

1111020201010 is a wasteful number, since it uses less digits than its factorization.

1111020201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70878.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1111020201010 its reverse (101020201111), we get a palindrome (1212040402121).

The spelling of 1111020201010 in words is "one trillion, one hundred eleven billion, twenty million, two hundred one thousand, ten".