101022001011 has 16 divisors (see below), whose sum is σ = 149668629120. Its totient is φ = 67345118280.

The previous prime is 101022001009. The next prime is 101022001039. The reversal of 101022001011 is 110100220101.

It is a happy number.

It is not a de Polignac number, because 101022001011 - 2¹ = 101022001009 is a prime.

It is a super-3 number, since 3×101022001011³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101022000984 and 101022001002.

It is not an unprimeable number, because it can be changed into a prime (101022001111) 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, 701016 + ... + 832746.

It is an arithmetic number, because the mean of its divisors is an integer number (9354289320).

Almost surely, 2^101022001011 is an apocalyptic number.

101022001011 is a deficient number, since it is larger than the sum of its proper divisors (48646628109).

101022001011 is a wasteful number, since it uses less digits than its factorization.

101022001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160143 (or 160137 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101022001011 its reverse (110100220101), we get a palindrome (211122221112).

The spelling of 101022001011 in words is "one hundred one billion, twenty-two million, one thousand, eleven".